.container {
    display: flex;
    justify-content: center;
    align-items: center;
    .contentBox {
        width: 30rem;
        margin: 0 auto;
        border-radius: 1rem;
        padding: 2rem;
        background: #f8f8f8;
        opacity: .9;
        margin: 10% 0;
    }
}

